This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 102 |
| 3 | 8148 |
| 4 | 63720 |
| 5 | 66120 |
| 6 | 71880 |
| 7 | 196896 |
| 8 | 446040 |
| 9 | 452760 |
| 10 | 462840 |
| 11 | 471960 |
| 12 | 503160 |
| 13 | 517320 |
| 14 | 544920 |
| 15 | 549240 |
| 16 | 554280 |
| 17 | 559320 |
| 18 | 575880 |
| 19 | 756400 |
| 20 | 1458912 |
| 21 | 1499232 |
| 22 | 1579872 |
| 23 | 1634040 |
| 24 | 1659960 |
| 25 | 1748520 |
| 26 | 5294800 |
| 27 | 9740640 |
| 28 | 10103520 |
| 29 | 11103456 |
| 30 | 11438280 |
| 31 | 11583264 |
| 32 | 11619720 |
| 33 | 11915640 |